Remove trailing spaces.

.clang-tidy

@@ -2,7 +2,7 @@ Checks:          'clang-diagnostic-*,clang-analyzer-*,*,-modernize*,-hicpp*,-and
 WarningsAsErrors: ''
 HeaderFilterRegex: ''
 FormatStyle:     none
-CheckOptions:    
+CheckOptions:
   - key:             google-readability-braces-around-statements.ShortStatementLines
     value:           '2'
   - key:             google-readability-namespace-comments.SpacesBeforeComments

nodist/code_coverage

@@ -72,7 +72,7 @@ sub test {
             run("cd $cc_dir/info ; lcov -c -d ../../../../$dir -o app_test_${outname}.info");
         }
     }
-    
+
     if ($Opt_Stage <= 3) {
         # lcov doesn't have a control file to override single lines, so replicate the sources
         print "Stage 3: Clone sources under $cc_dir\n";

nodist/git_untabify

@@ -132,7 +132,7 @@ sub edit_file {
     foreach my $lineno (sort {$a <=> $b} keys %$editlines) {
         push @editits, $lineno if $editlines->{$lineno}{editit};
     }
-    
+
     return if $#editits < 0;
     if (ignore($filename)) {
         print "%Warning: Ignoring $filename\n";